at 3:00, the white house today defending vicepresidentjoebiden'scomments on the deadly attack in libya that killed four americans including the u.s. ambassador. last night the moderator of the vice presidential debate asked vice president biden whether the attack on the u.s. consulate in benghazi was an intelligence failure and reminded him that officials had requested more security. the vice president gave the following response. >> we weren't told they wanted more security. we did not know they wanted more security. at the time, we were told exactly, we said exactly what the intelligence community told us that they knew. that was the assessment. >>trace: early this week a top security officer in libya and national security guardman who led the security team said that he told the house of representatives committee that the state department officials denied the request for additional security in libya. remember that? today the white house press secretary carney said vice president biden was not referencing the state department when he said he did not know about the security re